An electronic point source emits sound isotropically at a frequency of 2 × 10^3 hz and a power of 27 watts. a small microphone has an area of 0.77 cm^2 and is located 3.5 meters from the point source. 1) what is the sound intensity at the microphone ? 2) what is the power intercepted by the microphone? 3) how many minutes will it take for the microphone to receive 0.2 joules from the sound waves? 4) what is the sound intensity level at the microphone from this point source? 5) what would be the sound intensity level at the microphone if the point source doubled its power output?

5submission this assignment is worth 20 points total. you are required to submit the following by next lab: 1. (3 points) determine the equation for the output angular velocity ω2 = θ˙ 2 as a function of θ1, ω1 = θ˙ 1 and α. you must show all your work to receive credit. 2. (2 points) use the result of problem#1 to plot ω2 over 0 ≤ θ1 ≤ 360deg with ω1 = 360deg/sec. do this for α = {10,30}deg. show the results on the same plot and properly label the axes, title, legend. for this you can use matlab or ms excel. 3. (3 points) determine the equation for the output angular acceleration ω˙ 2 and create a plot similar to the one in problem#2. 4. (10 points) submit plots of the results (ω2 and ω˙ 2) obtained from creo/mechanism and compare them to results of problem#2 and problem#3. note that you should do these comparisons for the two cases with α = {10,30}deg. 5. (2 points) provide a brief explanation of the results. did they match? what are the implications as misalignment angle increases?